Strong Review 2026 - Is Strong's eSIM reliable?
At a glance
Reviews & ratings
Used in Thailand, 10GB/30 days. Easy installation and works perfectly without problems.
eSIM tested without interruption, one of the cheapest providers found.
First try, chosen for low price, but works very well without issue.
Pros & cons
👍 What we like
- ✓Low price and instant activation for travelers in a hurry.
- ✓Wide coverage including less common regions.
- ✓Responsive 24/7 customer support according to some reviews.
- ✓No roaming fees nor need for physical stores.
- ✓Compatible with most eSIM smartphones.
👎 What we like less
- ✗Data-only, no calls or SMS.
- ✗Coverage and speeds vary by local partner.
- ✗Little company info and no dedicated apps.
- ✗Mixed reviews on reliability and incorrect pricing.
- ✗Possible throttling after heavy usage.
What is Strong?
What is Strong eSIM?
Strong eSIM is a data-only eSIM provider designed for international travelers, offering fast internet connectivity without a physical SIM. Plans are regional or global, with high-speed 4G/5G data in over 190 countries. Activation is done by scanning a QR code via the website for immediate connection upon arrival.
The platform offers flexible packages suitable for short stays or long trips: limited or unlimited data, durations from 1 to 30 days. Simple online management, no dedicated app, with responsive support.
Plans overview
Countries covered by Strong
Coverage broken down by region. Tap a region to see its countries.
Our verdict
Strong eSIM offers affordable data-only eSIMs for international travelers, covering over 190 countries with fast 4G/5G networks and simple QR code activation.
Popular alternatives
Frequently asked questions
No, Strong is not a scam: it is a reliable, well-known eSIM with a 4.1/5 rating in our test and access to local 4G/5G networks (speed depends on local coverage). Just make sure your phone is eSIM-compatible before buying.
Strong covers many destinations. Availability and network quality depend on the destination and the local partner operator: check that your travel country is covered before buying.
The main downsides we found in our test: Data-only, no calls or SMS, Coverage and speeds vary by local partner, Little company info and no dedicated apps, Mixed reviews on reliability and incorrect pricing and Possible throttling after heavy usage.
It depends on your destination and budget: Strong scores 4.1/5 in our test, but the best value changes by country. Compare current deals in our comparator before choosing.
Opt for an Asia regional plan 5-10GB/7-15 days depending on usage; from ~€4 for basic data.
Yes generally, but depends on the partner network; test and check plan conditions.
Most recent eSIM smartphones (iPhone XS+, Samsung S20+, Pixel 3+); check official list.
Contact support quickly; some reviews mention refunds for price glitches.
Yes, use physical SIM for calls/SMS and Strong eSIM for data in dual-SIM.
Via your phone settings. Strong eSIM does not offer a dedicated app for tracking, so it is important to monitor your usage through your device's settings to avoid exceeding your plan.